title: [Contamination of the operating room by anesthetic gases and vapors. II. Gas chromatographic analysis of nitrous oxide].
abstract: The contamination by nitrous oxide of an operating room atmosphere was studied in a number of experiments, in the absence of personnel and using a gaschromatographic method. The evacuating device of the anesthesia machine proved to be ineffective to overcome the hazard of leaks in the breathing system, whereas the air conditioning flow rates (12 outside air changes per hour) minimized waste anesthetic gas concentrations.
mesh_terms: D000397:Air Pollution / Q000032:analysis; D000777:Anesthetics / Q000032:analysis*; D002245:Carbon Dioxide / Q000032:analysis; D002849:Chromatography, Gas / Q000379:methods; D009609:Nitrous Oxide / Q000032:analysis*; D009873:Operating Rooms; D014691:Ventilation
chemical_list: D000777:Anesthetics; D002245:Carbon Dioxide; D009609:Nitrous Oxide
vernacular_title: Inquinamento delle sale operatorie con gas e vapori anestetici. II) Analisi gascromatografica del protossido d'azoto.